Home / 34,487.40-47,590.83-19,380.69

Finding the Fourth Proportional to 34,487.40, 47,590.83 and 19,380.69

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Solution

The fourth proportional to 34,487.40, 47,590.83 and 19,380.69 is: 26,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,487.40 : 47,590.83 = 19,380.69 : x
  2. Step 2: Convert to fraction form
    34,487.40/47,590.83 = 19,380.69/x
  3. Step 3: Cross multiply
    34,487.40x = 47,590.83 × 19,380.69
  4. Step 4: Simplify right side
    34,487.40x = 922,343,123.07
  5. Step 5: Solve for x
    x = 922,343,123.07/34,487.40
  6. Step 6: Final answer
    x = 26,744.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.